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199020584 = 23717320543
BaseRepresentation
bin10111101110011…
…01000000101000
3111212111021220202
423313031000220
5401422124314
631425411332
74634434640
oct1367150050
9455437822
10199020584
11a2384124
1256799b48
1332303579
141c609520
15127140de
hexbdcd028

199020584 has 32 divisors (see below), whose sum is σ = 428958720. Its totient is φ = 84797376.

The previous prime is 199020583. The next prime is 199020631. The reversal of 199020584 is 485020991.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (199020583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584 + ... + 19959.

It is an arithmetic number, because the mean of its divisors is an integer number (13404960).

Almost surely, 2199020584 is an apocalyptic number.

199020584 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

199020584 is an abundant number, since it is smaller than the sum of its proper divisors (229938136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199020584 is a wasteful number, since it uses less digits than its factorization.

199020584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20729 (or 20725 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 199020584 is about 14107.4655413366. The cubic root of 199020584 is about 583.8473752032.

The spelling of 199020584 in words is "one hundred ninety-nine million, twenty thousand, five hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 56 173 346 692 1211 1384 2422 4844 9688 20543 41086 82172 143801 164344 287602 575204 1150408 3553939 7107878 14215756 24877573 28431512 49755146 99510292 199020584